NI PXIe-7912 FlexRIO协处理器模块 Kintex UltraScale KU040 FPGA 8GPIO 4HSS 4GB DRAM PCIe Gen3 x8NI PXIe-7912, FlexRIO, Kintex UltraScale, KU040 FPGA, 8GPIO, 4HSS, 4GB DRAM